CN2831187Y

CN2831187Y - Camera rockerarm

Info

Publication number: CN2831187Y
Application number: CN200520114574.8U
Authority: CN
Inventors: 李欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-25
Filing date: 2005-10-25
Publication date: 2006-10-25
Anticipated expiration: 2015-10-25

Abstract

The utility model relates to a rocking arm. A camera rocking arm of the utility model comprises a support column and the rocking arm, wherein the rocking arm comprises an inner and an outer sleeve pipes; a driving device is arranged on the inner sleeve pipe; the top end of the inner sleeve pipe is connected with a camera platform by an angle-shaped connecting piece; a maintained mechanism which enables a horizontal plate to maintain horizontal is arranged on the angle-shaped connecting piece; the horizontal maintained mechanism comprises a flexible pipe and a load bearing steel wire; one end of the flexible pipe is arranged on the inner sleeve pipe, and the other end is arranged on the outer sleeve pipe; one end of the load bearing steel wire is fixed on the angle-shaped connecting piece, and the other end is fixed on the support column and passes through the flexible pipe; a balance weight device and a motor are arranged on the outer sleeve pipe. The utility model has the advantage that the structure is simplified because the structure of the horizontal maintained mechanism only comprises the load bearing steel wire and the flexible pipe; meanwhile, a mechanical structure is used for replacing a traditional electronic structure, so a signal collecting device, a signal transmission device, a decoding device, a moon-shaped gear, etc. are omitted. Thus, the utility model can fundamentally obtain maintenance free and reduces cost.

Description

The photography rocking arm

Technical field

The utility model relates to a kind of rocking arm, especially a kind of photography rocking arm.

Background technology

Existing photography rocking arm comprises band gear platform, support column, the rocking arm that is rotatably connected on the support column top ends, the photography platform that is connected the rocking arm top ends and motor etc.Rocking arm wherein is connected together by many casing pipe sleeves usually and forms, and structure is numerous and diverse between each sleeve pipe, has connected the fixed conveyor effect by many groups cable wire, safeguards, transports, decomposes more complicated, must ask bigger to the power of driving motor, and power consumption is big; And it is big and heavy not strengthen each pipe box volume of stayed structure, inconvenience transportation and practical operation.The mechanism that makes photography platform maintenance level that is connected the top ends of sleeve pipe comprises the signal pickup assembly that is installed on the support column, be installed in signal transmitting apparatus on the sleeve pipe and decoding device, the semilune gear, and be installed in and provide the horizontal motor and the auxiliary equipment of electric power for described each device on the sleeve pipe, not only complex structure, power consumption are big, and require high to weather and processing technology, when safeguarding, technical requirement height to the maintainer has increased maintenance cost; So numerous and diverse structure is difficult to decompose simultaneously, causes transportation inconvenience.In the existing photography rocking arm, the flexible switch of control rocking arm " pushes away " with the control focal length of camera, the switch of " drawing " separates, promptly be two bodies, must two people during use or three people above through coordinating repeatedly, practising, just can finish the shooting of " camera lens ", a people can't finish the work, and causes poor operability, uses inconvenience.

The utility model content

The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and a kind of simple in structure, easy to operate, photography rocking arm that cost is low is provided.

For achieving the above object, the utility model adopts following technical scheme:

Photography rocking arm of the present utility model, comprise support column, be rotatably connected on the rocking arm of support column top ends, wherein rocking arm is provided with counter weight device and motor, top ends is connected with the photography platform, wherein said rocking arm comprises outer tube and inner sleeve, is equipped with on the described inner sleeve to drive the drive unit that inner sleeve moves; The top ends of described inner sleeve is rotatably connected to the dihedral web member, described photography platform is connected on the leveling board of dihedral web member, be connected with the horizontal maintaining body that makes leveling board be in horizontality all the time on the dihedral web member, this horizontal maintaining body comprises that an end is fixed on the described inner sleeve, a flexible tubing and an end that the other end is fixed on the described outer tube are fixed on the dihedral web member, the other end is fixed on the support column, and passes the load steel wire of described flexible tubing.

One end of wherein said load steel wire is fixed on the bottom face of leveling board, and the other end is fixed on the installing plate of support column top ends.

Wherein said drive unit comprises the output shaft of walking around motor, and two ends all are connected the travelling belt I of described inner sleeve bottom.

Wherein said rocking arm bottom is equipped with motor, and described counter weight device is the counterweight dolly, wherein is connected with driving-chain II between the output shaft of counterweight dolly and motor.

Have between the both ends of the top ends of the described column of column and outer tube corresponding to coupling shaft stationkeeping on support column and the outer tube on the wherein said outer tube and be provided with drag-line.

The combined switch that wherein also comprises the switch that integrates flexible switch of control rocking arm and control focal length of camera distance.

The advantage and the good effect of photography rocking arm of the present utility model are: in the utility model, because rocking arm includes only outer tube and inner sleeve, and the enough usefulness of the length of the telescopic rocker arm of forming by this outer tube and inner sleeve, so simplified structure; Main is that the structure that keeps the photography platform to be in the horizontal maintaining body of horizontality all the time includes only a load steel wire and a flexible tubing, has simplified structure significantly, and easy and simple to handle; Simultaneously, replaced traditional electronic structure, saved signal pickup assembly, signal transmitting apparatus, decoding device, month generating gear etc. with physical construction, requirement to weather, humidity is lower, improve precision, can reach non-maintaining substantially, reduced cost significantly.

Description of drawings

Fig. 1 is a utility model photography rocking arm at the structural representation of the short status of rocking arm;

Fig. 2 is a utility model photography rocking arm at the structural representation of the long status of rocking arm.

Among the figure: 1. support column; 2. rocking arm; 3. photography platform; 4. inner sleeve; 5. outer tube; 6. drag-line; 7. motor; 8. counterweight dolly; 9. driving-chain; 10. travelling belt; 12. pulley I; 13. pulley II; 14. column; 15. leveling board; 16. flexible tubing; 17. dihedral web member; 18. load steel wire; 19. installing plate; 21. coupling shaft; 22. block.

Embodiment

Below in conjunction with accompanying drawing, further describe the embodiment of the utility model photography rocking arm, but be not used for limiting protection domain of the present utility model.

Referring to Fig. 1 and Fig. 2.Photography rocking arm of the present utility model comprises support column 1 and the rocking arm 2 that is rotatably connected on support column 1 top ends.Wherein the top ends of support column 1 is a general Y-piece, by coupling shaft 21 outer tube 5 and support column 1 is linked together.Rocking arm 2 comprises outer tube 5 and the inner sleeve 4 that can slide outer tube 5 in, be equipped with on the inner sleeve 4 that driving inner sleeve 4 moves drive unit.In order to increase the intensity of outer tube 5, corresponding to coupling shaft 21 stationkeeping on support column 1 and the outer tube 5 column 14 is arranged on the outer tube 5, promptly column 14 be fixed on coupling shaft 21 directly between the both ends of the top ends of column 14 and outer tube 5, be provided with drag-line 6.Like this, both can guarantee the intensity of outer tube 5, again can weight reduction, be beneficial to rocking-turn work, saved cost again.

The top ends of inner sleeve 4 is rotatably connected to dihedral web member 17, photography platform 3 is connected on the leveling board 15 of dihedral web member 17, be connected with the horizontal maintaining body that makes leveling board 15 be in horizontality all the time on the dihedral web member 17, this horizontal maintaining body comprises that an end is fixed on inner sleeve 4 leading sections, a flexible tubing 16 and an end that the other end is fixed on outer tube 5 leading sections are fixed on the bottom face of dihedral web member 17, the other end is fixed on the installing plate 19 of support column 1, and passes the load steel wire 18 of described flexible tubing 16; Be provided with counter weight device above the described outer tube 5, outer tube 5 bottoms are equipped with motor 7.Be equipped with on the inner sleeve 4 drive that inner sleeve 4 moves drive unit.The upper end of the bottom of inner sleeve 4 and outer tube 5 is provided with the block 22 of cooperating, to prevent inner sleeve 4 slippage from outer tube 5.

Drive wherein that inner sleeve 4 moves drive unit comprise two ends all be connected inner sleeve 4 bottoms and output shaft between travelling belt I10.Travelling belt I10 can select steel wire or conveyer chain for use, in the practical application sheave or sprocket wheel can be installed on the output shaft of motor 7, steel wire or conveyer chain are coupled on sheave or the sprocket wheel, one end is positioned at outer tube 5 inside, the other end is walked around the pulley I12 that is installed in outer tube 5 port part by outer tube 5 outsides, again by being connected inner sleeve 4 bottoms to the space inner sleeve 4 and the outer tube 5.On outer tube 5, be provided with track, be provided with counterweight dolly 8 in the track, be connected with driving-chain 9 between the output shaft of counterweight dolly 8 and motor 7.Can on the output shaft of motor 7 sprocket wheel be installed in the practical application, driving-chain is coupled on the sprocket wheel, an end passes the front that hole on the outer tube 5 is connected counterweight dolly 8, and the other end is walked around the back that pulley II13 is connected counterweight dolly 8.Driving-chain 9 and travelling belt I10 install synchronously, to guarantee that inner sleeve 4 is opposite with the moving direction of counterweight dolly 8, to adapt to lever principle.

In addition, the gauge tap in the utility model is the combined switch (not shown), and the combined switch of the structure of this combined switch and general toy remote control car is similar, integrates control rocking arm Telescopic and control focal length of camera range capability.So just made things convenient for widely and controlled, a people can finish the adjustment of the flexible and focal length of camera distance of rocking arm, has saved human resources.

In the utility model, when rocking arm during for long status, see Fig. 2, flexible tubing 16 is a rectilinear form, and the power on the load steel wire 18 is used to make leveling board 15 to keep horizontalitys; When rocking arm during for long status, see Fig. 1, flexible tubing 16 forces the part of load steel wire 18 in flexible tubing 16 wherein also to become the curve shape consistent with it for becoming curve shape, constant to guarantee the power on the load steel wire 18, thus can make leveling board 15 still keep horizontality.

More than be preferred forms of the present utility model, according to the disclosed content of the utility model, some identical, replacement schemes that those of ordinary skill in the art can expect apparently all should fall into the scope that the utility model is protected.

Claims

1. photography rocking arm, comprise support column (1), be rotatably connected on the rocking arm (2) of support column (1) top ends, wherein rocking arm (2) is provided with counter weight device and motor (7), top ends is connected with photography platform (3), it is characterized in that described rocking arm (2) comprises outer tube (5) and inner sleeve (4), be equipped with on the described inner sleeve (4) and drive the drive unit that inner sleeve (4) moves; The top ends of described inner sleeve (4) is rotatably connected to dihedral web member (17), described photography platform (3) is connected on the leveling board (15) of dihedral web member (17), be connected with the horizontal maintaining body that makes leveling board (15) be in horizontality all the time on the dihedral web member (17), this horizontal maintaining body comprises that an end is fixed on the described inner sleeve (4), a flexible tubing (16) and an end that the other end is fixed on the described outer tube (5) are fixed on the dihedral web member (17), the other end is fixed on the support column (1), and passes the load steel wire (18) of described flexible tubing (16).

2. photography rocking arm according to claim 1 is characterized in that an end of described load steel wire (18) is fixed on the bottom face of leveling board (15), and the other end is fixed on the installing plate (19) of support column (1) top ends.

3. photography rocking arm according to claim 1 is characterized in that described drive unit comprises the output shaft of walking around motor (7), and two ends all are connected the travelling belt I (10) of described inner sleeve (4) bottom.

4. photography rocking arm according to claim 1, it is characterized in that described rocking arm (2) bottom is equipped with motor (7), described counter weight device is counterweight dolly (8), wherein is connected with driving-chain II (9) between the output shaft of counterweight dolly (8) and motor (7).

5. photography rocking arm according to claim 1 is characterized in that described outer tube (5) is gone up to have between the both ends of the top ends of the described column of column (14) (14) and outer tube (5) corresponding to coupling shaft stationkeeping on support column (1) and the outer tube (5) to be provided with drag-line (6).

6. according to the arbitrary described photography rocking arm of claim 1-5, it is characterized in that also comprising the combined switch of the switch that integrates flexible switch of control rocking arm and control focal length of camera distance.